Vitamin B12 overdose Symptoms: Headache Nausea and vomiting Bloating Diarrhea Fatigue and weakness Tingling in hands and feet Dizziness Itchy, burning skin Acne High blood pressure There are few studies for vitamin B12 overdose, but some medical experts suggest potential harm from B12 overload: May increase the risk for heart attack and stroke Too much vitamin B12 and folate during pregnancy may increase the risk of autism in offspring Could increase the risk for cancer May shorten lifespan High C-reactive protein (CRP) combined with vitamin B12 overload decreases the survival of cancer patients Its unlikely that high vitamin B12 can occur without the overuse of high-efficiency oral or injectable B12
Pack Size 500mL Dosage By subcutaneous injection
By blocking NNMT, 5-amino-1MQ stimulates an increase in NAD+, a cofactor that is central to cellular metabolism, thereby increasing metabolic rate and activating a gene called sirtuin-1 (SIRT1)
In such cases, the NHS standard treatment is intramuscular hydroxocobalamin injections, typically given every 2-3 months for maintenance after an initial loading regimen
Food and Drug Administration (e.g., fortified plant milks, cereals, and nutritional yeast), vitamin B12 does not appear to be associated with adverse health consequences or even minor side effects